public void Throws_exception_when_hosted_workflow_is_not_found()
{
var hostedWorkflow = new TestWorkflow1();
var hostedWorkflows = new WorkflowHost(_domain, new[] { hostedWorkflow });
Assert.Throws <WorkflowNotHostedException>(() => hostedWorkflows.FindBy("TestWorkflow2", "2.0"));
}
public void By_default_execution_exceptions_are_unhandled()
{
var workflowTasks = WorkflowTask.CreateFor(DecisionTasksWithSignalEvents("token"), _domain);
var hostedWorkflows = new WorkflowHost(_domain, new[] { new WorkflowThrowsExceptionOnSignal(new ApplicationException("")) });
Assert.ThrowsAsync <ApplicationException>(async() => await workflowTasks.ExecuteForAsync(hostedWorkflows));
}
internal static WorkflowHost Get()
{
var connectionString = WebSettings.GetInstanceStoreConnectionString();
var host = new WorkflowHost(connectionString);
return(host);
}
public static void Run()
{
WorkflowHost host = new WorkflowHost();
ServiceHost service = new ServiceHost(host);
service.Open();
Console.ReadLine();
}
public void Status_is_set_to_stopped_when_workflow_host_is_stopped_execution()
{
var hostedWorkflows = new WorkflowHost(_domain, new[] { new TestWorkflow1() });
hostedWorkflows.StartExecution(new TaskList("name"));
hostedWorkflows.StopExecution();
Assert.That(hostedWorkflows.Status, Is.EqualTo(HostStatus.Stopped));
}
public void Status_is_set_to_executing_when_workflow_host_is_executing()
{
using (var hostedWorkflows = new WorkflowHost(_domain, new[] { new TestWorkflow1() }))
{
hostedWorkflows.StartExecution(new TaskList("name"));
Assert.That(hostedWorkflows.Status, Is.EqualTo(HostStatus.Executing));
}
}
public void Invalid_error_handler_argument_tests()
{
var hostedWorkflows = new WorkflowHost(_domain, new[] { new TestWorkflow1() });
Assert.Throws <ArgumentNullException>(() => hostedWorkflows.OnError(null));
Assert.Throws <ArgumentNullException>(() => hostedWorkflows.OnResponseError(null));
Assert.Throws <ArgumentNullException>(() => hostedWorkflows.OnPollingError(null));
}
public async Task Setup()
{
_domain = new TestDomain();
_emptyWorkflow = new EmptyWorkflow();
_workflowHost = await _domain.Host(_emptyWorkflow);
_taskListName = Guid.NewGuid().ToString();
_workflowHost.StartExecution(new TaskList(_taskListName));
}
public async Task On_execution_send_decisions_to_amazon_swf()
{
var hostedWorkflows = new WorkflowHost(_domain, new[] { new WorkflowCompleteOnSignal("result") });
var workflowTasks = WorkflowTask.CreateFor(DecisionTasksWithSignalEvents("token"), _domain);
await workflowTasks.ExecuteForAsync(hostedWorkflows);
AssertThatInterpretedDecisionsAreSentOverWorkflowClient("token", Times.Once());
}
public void Returns_matching_hosted_workflow_by_name_and_version()
{
var hostedWorkflow1 = new TestWorkflow1();
var hostedWorkflow2 = new TestWorkflow2();
var hostedWorkflows = new WorkflowHost(_domain, new Workflow[] { hostedWorkflow1, hostedWorkflow2 });
Assert.That(hostedWorkflows.FindBy("TestWorkflow1", "2.0"), Is.EqualTo(hostedWorkflow1));
Assert.That(hostedWorkflows.FindBy("TestWorkflow2", "1.0"), Is.EqualTo(hostedWorkflow2));
}
public async Task Throws_exception_when_workflow_history_events_are_queried_after_execution()
{
var hostedWorkflow = new WorkflowCompleteOnSignal();
var hostedWorkflows = new WorkflowHost(_domain, new[] { hostedWorkflow });
var workflowTasks = WorkflowTask.CreateFor(DecisionTasksWithSignalEvents("token"), _domain);
await workflowTasks.ExecuteForAsync(hostedWorkflows);
Assert.Throws <InvalidOperationException>(() => hostedWorkflow.AccessHistoryEvents());
}
public async Task Execution_exception_can_handled_to_retry()
{
var workflowTasks = WorkflowTask.CreateFor(DecisionTasksWithSignalEvents("token"), _domain);
var hostedWorkflows = new WorkflowHost(_domain, new[] { new WorkflowThrowsExceptionOnSignal(new ApplicationException("")) });
workflowTasks.OnExecutionError(ErrorHandler.Default(e => ErrorAction.Retry));
await workflowTasks.ExecuteForAsync(hostedWorkflows);
AssertThatInterpretedDecisionsAreSentOverWorkflowClient("token", Times.Once());
}
void CreateHost()
{
_host = Catalog.Preconfigure()
.Add(WorkflowConfiguration.WorkflowDataRepositoryKey, "Workflow")
.Add(WorkflowConfiguration.WorkflowMessagingKey, "Workflow")
.Add(WorkflowConfiguration.WorkflowWorkspaceKey, "Workflow")
.ConfiguredCreate(() => new WorkflowHost());
_host.Initialize(_cts.Token);
_host.OnStart();
}
public void Status_is_set_to_faulted_when_workflow_host_can_not_handle_exception()
{
_simpleWorkflow.Setup(s => s.PollForDecisionTaskAsync(It.IsAny <PollForDecisionTaskRequest>(),
It.IsAny <CancellationToken>())).Throws <Exception>();
var hostedWorkflows = new WorkflowHost(_domain, new[] { new TestWorkflow1() });
hostedWorkflows.OnError(e => ErrorAction.Unhandled);
hostedWorkflows.StartExecution(new TaskList("name"));
hostedWorkflows.StopExecution();
Assert.That(hostedWorkflows.Status, Is.EqualTo(HostStatus.Faulted));
}
public void Poll_on_default_task_list_when_multiple_workflows_have_same_defautl_task_list()
{
var @pollingEvent = PollingEvent();
using (var host = new WorkflowHost(_domain, new Workflow[] { new TestWorkflow2(), new TestWorkflow3() }))
{
host.PollingIdentity = TaskList;
host.StartExecution();
@pollingEvent.WaitOne();
}
AssertThatSWFIsPolledWithDefaultTaskList();
}
public async Task Response_exception_can_be_handled_to_continue()
{
_amazonWorkflowClient.SetupSequence(c => c.RespondDecisionTaskCompletedAsync(It.IsAny <RespondDecisionTaskCompletedRequest>(), It.IsAny <CancellationToken>()))
.Throws(new UnknownResourceException("msg"))
.Returns(Task.FromResult(new RespondDecisionTaskCompletedResponse()));
var hostedWorkflows = new WorkflowHost(_domain, new[] { new WorkflowCompleteOnSignal() });
hostedWorkflows.OnResponseError(e => ErrorAction.Continue);
var workflowTasks = WorkflowTask.CreateFor(DecisionTasksWithSignalEvents("token"), _domain);
await workflowTasks.ExecuteForAsync(hostedWorkflows);
AssertThatInterpretedDecisionsAreSentOverWorkflowClient("token", Times.Once());
}
public async Task Can_schedule_the_activity_with_custom_input()
{
var @event = new ManualResetEvent(false);
var workflow = new WorkflowToScheduleActivityWithCustomInput("activity input");
workflow.Closed += (s, e) => @event.Set();
_workflowHost = await HostAsync(workflow);
await _domain.StartWorkflow <WorkflowToScheduleActivityWithCustomInput>("input", _taskListName);
@event.WaitOne();
Assert.That(TestActivityWithInput.Input, Is.EqualTo("activity input"));
}
public async Task Failed_activity_can_be_retried_after_time_out()
{
var @event = new ManualResetEvent(false);
uint retryAttempts = 2;
var workflow = new WorkflowToRetryActivityAfterTimeout(retryAttempts);
workflow.Failed += (s, e) => @event.Set();
_workflowHost = await HostAsync(workflow);
await _domain.StartWorkflow <WorkflowToRetryActivityImmediately>("input", _taskListName);
@event.WaitOne();
Assert.That(FailingActivity.ExecutionTimes, Is.EqualTo(retryAttempts + 1));
}
public async Task By_default_schedule_the_activity_with_workflow_input()
{
var @event = new ManualResetEvent(false);
var workflow = new WorkflowWithMultipleParent();
workflow.Closed += (s, e) => @event.Set();
_workflowHost = await HostAsync(workflow);
await _domain.StartWorkflow <WorkflowWithMultipleParent>("input", _taskListName);
@event.WaitOne();
Assert.That(SendEmailActivity.Input.File1, Is.EqualTo("TranscodedPathMP4"));
Assert.That(SendEmailActivity.Input.File2, Is.EqualTo("TranscodedPathAV"));
}
public void Raise_faulted_event_on_unhandled_exception()
{
var expectedException = new Exception();
_simpleWorkflow.Setup(s => s.PollForDecisionTaskAsync(It.IsAny <PollForDecisionTaskRequest>(),
It.IsAny <CancellationToken>())).Throws(expectedException);
Exception actualException = null;
var hostedWorkflows = new WorkflowHost(_domain, new[] { new TestWorkflow1() });
hostedWorkflows.OnError(e => ErrorAction.Unhandled);
hostedWorkflows.OnFault += (s, e) => actualException = e.Exception;
hostedWorkflows.StartExecution(new TaskList("name"));
hostedWorkflows.StopExecution();
Assert.That(actualException, Is.EqualTo(expectedException));
}
public async Task Schedule_a_lambda_function()
{
var @event = new ManualResetEvent(false);
var workflow = new ScheduleLambdaWorkflow();
string result = "";
workflow.Closed += (s, e) => @event.Set();
workflow.Completed += (s, e) => result = e.Result;
_workflowHost = await HostAsync(workflow);
await _domain.StartWorkflow <ScheduleLambdaWorkflow>(new { Id = 10, Age = 20 }, _taskListName, _configuration["LambdaRole"]);
@event.WaitOne();
Assert.That(result, Is.EqualTo("\"hotelbooked-10-20\""));
}
public async Task Can_schedule_the_activity_with_custom_input_built_from_workflow_input()
{
var @event = new ManualResetEvent(false);
var workflow = new WorkflowToAccessDynamicInput();
workflow.Closed += (s, e) => @event.Set();
_workflowHost = await HostAsync(workflow);
var input = new { Name = "name", Age = 10 }.ToJson();
await _domain.StartWorkflow <WorkflowToScheduleActivityWithCustomInput>(input, _taskListName);
@event.WaitOne();
Assert.That(TestActivityWithInput.Input, Is.EqualTo(input));
}
public async Task By_default_failed_activity_fails_workflow()
{
var @event = new ManualResetEvent(false);
var workflow = new WorkflowWithNoRetry();
string reason = null;
string details = null;
workflow.Failed += (s, e) => { reason = e.Reason; details = e.Details; @event.Set(); };
_workflowHost = await HostAsync(workflow);
await _domain.StartWorkflow <WorkflowWithNoRetry>("input", _taskListName);
@event.WaitOne();
Assert.That(reason, Is.EqualTo(typeof(IOException).Name));
Assert.That(details, Is.EqualTo("Failed to write to disk."));
}
public async Task Wait_for_a_signal_with_a_timeout_and_continue_on_timing_out_the_signal()
{
var @event = new AutoResetEvent(false);
var timeout = TimeSpan.FromSeconds(3);
var workflow = new UserActivateWorkflowWithTimeout(@event, timeout);
string reason = null;
workflow.Failed += (s, e) => { reason = e.Reason; @event.Set(); };
_workflowHost = await HostAsync(workflow);
var workflowId = await _domain.StartWorkflow <UserActivateWorkflow>("input", _taskListName);
@event.WaitOne();
@event.WaitOne(timeout.Add(TimeSpan.FromSeconds(2)));
Assert.That(reason, Is.EqualTo("Signal_timeout"));
}
public async Task Wait_for_any_signal_with_timeout_and_continue_with_timeout()
{
var @event = new AutoResetEvent(false);
var timeout = TimeSpan.FromSeconds(2);
var workflow = new ExpenseAnySignalWorkflowWithTimeout(@event, timeout);
string result = null;
workflow.Failed += (s, e) => { result = e.Reason; @event.Set(); };
_workflowHost = await HostAsync(workflow);
var workflowId = await _domain.StartWorkflow <ExpenseAnySignalWorkflowWithTimeout>("input", _taskListName, _configuration["LambdaRole"]);
@event.WaitOne();
@event.WaitOne(timeout.Add(TimeSpan.FromSeconds(3)));
Assert.That(result, Is.EqualTo("Signal_timedout"));
}
public async Task Wait_for_rejected_signal_to_continue()
{
var @event = new AutoResetEvent(false);
var workflow = new ExpenseAnySignalWorkflow(@event);
string result = null;
workflow.Completed += (s, e) => { result = e.Result; @event.Set(); };
_workflowHost = await HostAsync(workflow);
var workflowId = await _domain.StartWorkflow <ExpenseAnySignalWorkflow>("input", _taskListName, _configuration["LambdaRole"]);
@event.WaitOne();
await _domain.SendSignal(workflowId, "Rejected", "");
@event.WaitOne();
Assert.That(result, Is.EqualTo("\"EmpAction\""));
}
public async Task On_signal_can_schedule_paused_workflow()
{
var @event = new AutoResetEvent(false);
var workflow = new WorkflowWithMultipleParent(@event);
string result = null;
workflow.Completed += (s, e) => { result = e.Result; @event.Set(); };
_workflowHost = await HostAsync(workflow);
var workflowId = await _domain.StartWorkflow <WorkflowWithMultipleParent>("input", _taskListName);
@event.WaitOne();
await _domain.SendSignal(workflowId, "InventoryFilled", "Enough");
@event.WaitOne();
Assert.That(result, Is.EqualTo("Item is on the way"));
}
public async Task Wait_for_a_signal_to_reschedule()
{
var @event = new AutoResetEvent(false);
var workflow = new OrderWorkflow(@event);
string result = null;
workflow.Completed += (s, e) => { result = e.Result; @event.Set(); };
_workflowHost = await HostAsync(workflow);
var workflowId = await _domain.StartWorkflow <OrderWorkflow>("input", _taskListName);
@event.WaitOne();
await _domain.SendSignal(workflowId, "ItemsArrived", "");
@event.WaitOne();
Assert.That(result, Is.EqualTo("Charged"));
}
public async Task Schedule_child_workflow()
{
var @event = new ManualResetEvent(false);
string result = null;
var workflow = new ParentWorkflow();
workflow.Completed += (s, e) =>
{
result = e.Result;
@event.Set();
};
_workflowHost = await HostAsync(workflow, new ChildWorkflow());
await _domain.StartWorkflow <ParentWorkflow>("input", _taskListName);
@event.WaitOne();
Assert.That(result, Is.EqualTo(ActivityResult));
}
public async Task Wait_for_any_signal_with_timeout_and_continue_with_approved_signal()
{
var @event = new AutoResetEvent(false);
var workflow = new ExpenseAnySignalWorkflowWithTimeout(@event, TimeSpan.FromSeconds(2));
string result = null;
workflow.Completed += (s, e) => { result = e.Result; @event.Set(); };
_workflowHost = await HostAsync(workflow);
var workflowId = await _domain.StartWorkflow <ExpenseAnySignalWorkflowWithTimeout>("input", _taskListName, _configuration["LambdaRole"]);
@event.WaitOne();
await _domain.SendSignal(workflowId, "Approved", "");
@event.WaitOne();
Assert.That(result, Is.EqualTo("\"AccountDone\""));
}
public async Task Wait_for_a_signal_to_continue()
{
var @event = new AutoResetEvent(false);
var workflow = new UserActivateWorkflow(@event);
string result = null;
workflow.Completed += (s, e) => { result = e.Result; @event.Set(); };
_workflowHost = await HostAsync(workflow);
var workflowId = await _domain.StartWorkflow <UserActivateWorkflow>("input", _taskListName);
@event.WaitOne();
await _domain.SendSignal(workflowId, "EmailConfirmed", "");
@event.WaitOne();
Assert.That(result, Is.EqualTo("Activated"));
}